Norman police are looking for a man they say robbed a convenience store Sunday night.

According to officers, the thief robbed the Sinclair convenience store at 2401 East Imhoff Road just before 10 p.m. An employee told investigators the robber was a man of mixed race, approximately 30-40 years of age, dressed in a maroon jacket, blue jeans, black stocking cap, and in possession of a black backpack.